[gnome-builder/wip/gtk4-port] plugins/flatpak: remove legacy type_hint

[Christian Hergert <chergert src gnome org>]

commit 9dfd4212f7de2169a24c8ac7397b1447a26cbd6f
Author: Christian Hergert <chergert redhat com>
Date:   Tue May 10 17:24:24 2022 -0700

    plugins/flatpak: remove legacy type_hint

 src/plugins/flatpak/gbp-flatpak-install-dialog.ui | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/src/plugins/flatpak/gbp-flatpak-install-dialog.ui 
b/src/plugins/flatpak/gbp-flatpak-install-dialog.ui
index f505f00b9..8510d4565 100644
--- a/src/plugins/flatpak/gbp-flatpak-install-dialog.ui
+++ b/src/plugins/flatpak/gbp-flatpak-install-dialog.ui
@@ -13,7 +13,6 @@
   </object>
   <template class="GbpFlatpakInstallDialog" parent="GtkDialog">
     <property name="modal">True</property>
-    <property name="type_hint">normal</property>
     <child internal-child="vbox">
       <object class="GtkBox">
         <property name="orientation">vertical</property>